Sirius 12.9 Grade Socket Head Cap Screws M4 80mm Pack of 1

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Sirius 12.9 Grade Socket Head Cap Screws M4 80mm Pack of 1

Built for high-stress applications where reliability is non-negotiable, this Sirius black grade 12.9 socket head cap screw delivers exceptional tensile strength and durability. Whether you are securing machinery components, automotive assemblies, or precision fixtures, the premium grade 12.9 alloy steel ensures that each fastener can withstand extreme loads without deformation or failure. The black finish adds corrosion resistance and a professional appearance, making it a dependable choice for demanding engineering and industrial tasks.

- Manufactured from high-tensile grade 12.9 alloy steel for superior strength and hardness

- Black oxide coating provides moderate corrosion protection and a sleek, non-reflective surface

- Fully threaded along the first 40mm of shank for maximum grip in shallow or deep tapped holes

- Partially threaded from 40mm to 80mm, offering a smooth unthreaded portion for shear alignment and reduced stress risers

- Hex socket drive enables secure, high-torque installation with standard Allen keys or hex drivers

- Metric M4 thread size with 0.7mm pitch, compatible with standard M4 nuts and tapped holes

- Pack of one screw – ideal for replacement or single-point fixation in prototype or repair work

Engineered for precision and trust, this screw provides the holding power your project demands.

GTIN: 9800000006360